Cash was good friends with Dylan, covered several of his songs, and they recorded a duet of Dylan's "Girl from the North Country" that made album cuts for each of them. There's a Dylan/Cash bootleg that has them jamming together and singing several duets.

re: Dylanesque -- covers of Mr. Zimmerman(Posted by TigerPanzer on 10/4/12 at 10:10 am to Kafka)

Kafka, I know you're a Byrds/White fan—here's something that, if you haven't already checked it out, you should: it's an interview with John York, the bass player for the second lineup: McGuinn/White/York/Gene Parsons. Unfortunately I can't find the entire interview, but here's a link to a small portion of it. If you haven't seen this interview in its entirety, I strongly suggest you hunt around for it on youtube—it's broken up into something like 13 or 14 3-minute clips. York has a ton of fascinating stuff to share about his 1 1/2 years as a Byrd. A must-view for Byrds junkies. LINK